Here are the basic instructions for setting our iron on patches.Step 1: Set iron to "COTTON", 400 degrees, for one mintue.Step 2: Throughly iron area of garment where patch will be placed.Step 3: Spray water light on the back. Position your patch where you desire, Place it on garment, embroidery facing up.Step 4: Place cloth or light towel over patch and using a slow circular motion, press firmly for 30 seconds.Step 5: Let cool for one minute. If edge of patch can be lifted, repeat step 5.